An AMD Ryzen 9 4900U? Is AMD planning another 8 core APU for laptops? - NotebookCheck.net News
AMD Ryzen 4000 Desktop CPUs Could Feature Up To 20% IPC Increase
AMD announces the Ryzen 4000G series Renoir APUs for pre-built OEM desktops; claims a slam dunk when compared with Intel 9th gen Coffee Lake - NotebookCheck.net News
AMD launches its Ryzen Pro 4000 series mobile processors - CPU - News - HEXUS.net